Our Heavy Duty 3/8” (10 mm) White Foam Board or Foam core is a very strong, lightweight and easily cut material used as backing boards for artwork ,for sign making, mounting photographic and art prints, framing, screen printing, die cutting, prototypes ,3D design and sculpture. Foam board consists of three layers; an inner foam layer of polystyrene sandwiched between 2 White (Semi Gloss) clay coated paper boards. All of which are Acid Free. This foam board has a built-in memory, allowing it to return to its original thickness after cutting. star-bullet.jpg Laminated both sides with White alpha-cellulose virgin pulp clay coated paper, providing a smooth surface and clean cuts. star-bullet.jpg Stiff , Heavy duty 3/8" (10 mm) thick Foam Core, White both sides. star-bullet.jpg Lightweight, yet strong. Cuts easily, resists warping. star-bullet.jpg Extra Thick – Guaranteed to make a bigger impression. · HIGH QUALITY WHITE FOAM BOARDS - The white foam backing boards are made of quality foam, which is lightweight but strong and durable, thick and warp-/dent-resistant, easy to cut. The smooth white surface is ideal for coating or painting, stress-free for applying glue and markers. · DOUBLE-SIDED FOAM BOARD - The double-sided foam board for projects is white on both sides, which allows you use both sides according to your needs. Perfect for making homemade decorations for birthdays, parties, holidays, and weddings. · MULTIFUNCTIONAL - Great for crafts, framing, mounting displays, exhibits, presentation projects and school projects. Also, can be used for matting photos, crafts art, needlepoint, signs, frames, floral arrangements, backing prints, and backdrops. · TOP QUALITY MATERIAL (ACID FREE) - polystyrene extruded foam laminated between two sheets of paper (acid free). Double sided, strong, rigid but amazingly lightweight. · 3/8 (10 mm) inch thick, white color, hard. Smooth surface accepts screen printing, glue, paint or markers.